Added FIR coeff for 20b, generated with pfs_coeff_final.m

libraries/dsp/filter/src/hex/Coefficient_16KHanning_20b.dat

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_0.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_1.mif

.../dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_10.mif

.../dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_11.mif

.../dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_12.mif

.../dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_13.mif

.../dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_14.mif

.../dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_15.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_2.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_3.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_4.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_5.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_6.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_7.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_8.mif

...s/dsp/filter/src/hex/Coefficient_16KHanning_20b_1wb_9.mif

libraries/dsp/filter/src/hex/Coefficient_16KKaiser_20b.dat

...es/dsp/filter/src/hex/Coefficient_16KKaiser_20b_1wb_0.mif

...es/dsp/filter/src/hex/Coefficient_16KKaiser_20b_1wb_1.mif